<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script>
        /*        遍历下面对象（ 必做）
                                var dog = {
                                    dName: "coco",
                                    type: "阿拉斯加犬",
                                    age: "5岁",
                                    color: "棕红色"
                                }; */

        var dog = {
            dName: "coco",
            type: "阿拉斯加犬",
            age: "5岁",
            color: "棕红色"
        };
        for (let key in dog) {
            console.log(key);
            console.log(dog[key]);
        }
    </script>
</body>

</html>